Building-block.



No. 847,476. v PATENTED MAR. 19, 1907.

E. G. HODGES.

BUILDING BLOCK.

APPLICATION FILED JAN. 31, 1906.

l v A F r-inn g Ia ii. iii

MY {7. HODGES, OF Blil li' TNGFON, lliLlNOl 35.

Specification of Letters Patent.

fazenteo March 19, 1907.

Qnnlication filed January 31,1906. Serial No 298,781.

.l.l. have invented cortain new useful 'iprovmnents in Buildingc-lni, ofvrlnol'i the following a spociiicaii'ivcniion relates to impr vements inf-"l)l )(}l\- and refers inors partimilarh iii no: 1" i-rione, ahhougl'ithe principles of the inn ion may he applied to a naturahstone n'iain olloot of the invention is to proa building-block having interlocking hichwill prevent lateral or longitnplacement of the blocks after they ohjeotof the invention is to proling-bloc Wlnoh ma he used in.

n in the or oi" a double Wall to provide lraiing tho walls and securelylhrin at the proper (liar nos apart w '(ling a ooniinuous air-space theon hr of the wall OillitfiiS oil the invention. aro to prohui "inf-blockwinch will hr iv y simple in construction and inon inaction and whichwill he pracand olllcirnl in the uses for which it is ""nllil.

and oihrr objects in View my is of a block one or the upper i upperoilgo i naril slant lo form awash, oi 1hr hloolc lioingr il'irrnod withspond shape to the an ular other novel features of N oinhnmiion ol portssu block for sonurii'ig lhr. donhlr \i'alls Lonor whom such aronslrnouon ZS usod.

.h has ill-ii oonslrroiion of a single wall or double is cul away toform r511 align l bring our 1 l'orlncr consists hlool;

rooted 'ol concrete or a-rtiiiis a siniian ill in; iinprovodllt'flllt'l' or oonl'iect- One of the upper corners of tho block is cutaway to form a right-angled shoulder 3, arid i block. The outer lace ofthe block may he provide l. with ornamental grooves and ribs, as 5 Thelower side of the block is :l with an irregular groove 6 therein, whichprovides at one corner tho rigl'it-anglod fillot 7, and opposite havinga downwardly and outwardly inclined inner face. The flange and filletcorrespond to the Wash and shoulder on the upper face of the block, thatthe blocks are adapted to fit one Upon the othvr One end of the block isformed concave, as at 9, and at the other end is formed convex at 10,and this ccmstrizotion-servos to secure the ad oining ends of tho blockstogether. Tho cornerhlorlrs are formed in one continuous right ai'iglodpiocrz, as shown, having the short log ll and the long leg 12. 7

Where a double-wall construction is to be this the flange 8, v

used, I provide a connectinghlock or interthe upper doad-air spam isthrrohy provided between tho walls the HlCIFL? hci ght thorooi". 'l 1::inrorrnodrarv spacing portion Ill of tho header may ho varied to suitdiilirrent requirements.

From this description, taken in connection with the ,w ngsv it, will hr:evident, that l have :mconrplishod all the obioots inf-roll sot forthand haw provided a building Construction tho units of which will not beto la oral orlongitudinal movement. A wall so mnslrnlzti-d will riqnirolittle or no mortar, and tho cxirriorjoints will not reqniro pointing.liming it will he soon that my building-block is Mr practical and oili-(ziont for the p irposvs intondod.

immoral l dosignatos l in llat npporlaor j lclailn-- I. A buildingmnisll'uclion consisting of an inner'and outc-r wall composed of blockshaving nitcrlockmg nght-anglul filkts and Shoulders, and interlockingflaring-flange and wash, and spacing-blocks hut-ween the walls havingcoinplementziry fillet and shouldr, and flange and Wash.

2. A building-block formed on its uppoi innvr corner with a right-angledshoulder and a complementary fillit on its lower corrosponiling corner,the outer upper edge of

